wifi: mac80211: remove SSID from ML reconf

The ML reconfiguration frame shouldn't contain an SSID,
remove it.

Fixes: 36e05b0b ("wifi: mac80211: Support dynamic link addition and removal")
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Link: https://patch.msgid.link/20250311121004.fdf08f90bc30.I07f88d3a6f592a0df65d48f55d65c46a4d261007@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>